IESO 2025 Paper and Answer Key | International Earth Science Olympiad

The International Earth Science Olympiad (IESO). The main objectives of the IESO are to foster students' interest and public awareness of Earth Science, as well as to enhance Earth Sciences learning and teaching at the school level.

The responsibility of selecting the Indian Team lies with the Geological Society of India. The Earth Science Olympiad program in the country consists of four stages:

1. National level Entrance Test (INESO),
2. Training Camp leading to the Indian National Earth Science Olympiad,
3. Pre-departure training camp
4. The International Earth Science Olympiad (IESO).

The ESO Cell at the Geological Society of India, established by the President, Geological Society of India, is responsible for organizing the Earth Science Olympiad (ESO).

Download IESO Paper and Answer Key prepared by the subject experts of ALLEN Career Institute.